HP EliteBook 8570w, Maintenance And Service Manual

Page: 134 / 181

Service door latch
NOTE: The service door latch is included with the battery latch kit , spare part number 690633-001.
Before removing the service door latch, follow these steps:
IMPORTANT: Make special note of each screw and screw lock size and location during removal
and replacement.
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer.
4.
Remove the battery (see Battery on page 54 ).
5.
Remove the service door (see Service door on page 60 ).
6.
Remove the following components:
a.
Hard drive (see Hard drive on page 72 ).
b.
Upgrade bay device (see Upgrade bay device on page 77 ).
c.
Keyboard (see Keyboard on page 81 ).
d.
Top cover (see Top cover on page 87 ).
e.
Fan and heat sink assembly (see Fan and heat sink assembly on page 100 ).
f. Audio/USB 3.0 board (see Audio/USB 3.0 board on page 106 ).
g.
Speakers (see Speakers on page 110 ).
h.
ExpressCard/USB 2.0 assembly (see ExpressCard/USB 2.0 assembly on page 113 ).
i.
System board (see System board on page 117 ).
j.
RJ-11 connector cable (see RJ-11 connector cable on page 124 ).
Remove the service door latch:
1.
Position the computer right-side up with the front toward you.
2.
Remove the three Phillips screws
(1)
that secure the service door latch to the base enclosure.
126 Chapter 4 Removal and replacement procedures